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docker-compose 用于 nginx 和 nodejs 服务器

tag-icon • tag-icon nginx docker node.js docker-compose
docker-compose 用于 nginx 和 nodejs 服务器

我有以下docker-compose.yml文件：

version: '3'
services:
    server:
        build:
            context: ../../
            dockerfile: ./packages/website/Dockerfile
        command: node /cutting/index.js
        environment:
            PORT: 8000
            NODE_ENV: production
        restart: always
    nginx:
        build:
            context: ./
            dockerfile: ./nginx/Dockerfile
        command: tail -f /dev/null
        depends_on:
            - server
        ports:
            - "8000:8000"
        restart: always

还有以下内容nginx.conf：

worker_processes 1;

user nobody nogroup;
pid /tmp/nginx.pid;
error_log /tmp/logs/nginx.error.log;

events {
    worker_connections 1024;
    accept_mutex off;
}

http {
    include mime.types;
    default_type application/octet-stream;
    access_log /tmp/logs/nginx.access.log combined;
    sendfile on;

    server {
        proxy_http_version 1.1; # this is essential for chunked responses to work

        listen   80; ## listen for ipv4; this line is default and implied
        listen   [::]:80 default ipv6only=on; ## listen for ipv6
        client_max_body_size 4G;
        server_name frontend;

        gzip on;
        gzip_disable "msie6";
        gzip_vary on;
        gzip_proxied any;
        gzip_comp_level 6;
        gzip_buffers 16 8k;
        gzip_http_version 1.1;
        gzip_types application/javascript text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

        keepalive_timeout 5;

        location /static/  {
            alias /static/;
        }

        location  / {
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $http_host;

            # UNCOMMENT LINE BELOW IF THIS IS BEHIND A SSL PROXY
            #proxy_set_header X-Forwarded-Proto https;

            proxy_redirect off;
            proxy_pass   http://localhost:8000;
        }
    }
}

如果这创建了 2 个容器，我如何让 nginx 在另一个容器上看到 localhost:8000？

答案1

name您可以按照 中定义的方式使用容器docker-compose.yml。Docker 通过每个容器内的 DNS 为命名容器提供 IP 地址，并在容器更新时更新这些地址。

在这种情况下，您将其称为server，因此这就是您要使用的。

    proxy_pass http://server:8000;

文档：Compose 中的网络

答案2

在这种情况下，您需要使用上游，例如：

upstream backend {
    server express-server:81; #you container/service name
}

然后使用：

proxy_pass http://backend

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